issues with album organisation

macrumors newbie

I recently bought a compilation from itunes on my ipod touch. when i transferred this onto my itunes as i do with all albums it put all songs in a seperate folder by the artist. It also re-arranged the album on my Ipod. I have done this before many time with compilations with no problems but for some reason it has gone a bit crazy this time. I now have 45 folders for one album. I have not changed ny settings and tried other suggestions using the compilation options and organisation options.
any help would be great to fix this.

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